<div class="transfer">
  <div class="panel-wrap">
    <app-transfer-panel [list]="leftShowList" [search]="search" (select)="onSelect($event, 'left')"
      (filtered)="onFiltered($event, 'left')"></app-transfer-panel>
  </div>
  <div class="operations">
    <button class="btn btn-primary" [disabled]="disableBtn('right')" (click)="to('right')">&gt;</button>
    <button class="btn btn-primary" [disabled]="disableBtn('left')" (click)="to('left')">&lt;</button>
  </div>
  <div class="panel-wrap">
    <app-transfer-panel [list]="rightShowList" (select)="onSelect($event, 'right')" [search]="search"
      (filtered)="onFiltered($event, 'right')"></app-transfer-panel>
  </div>
</div>